// reference count

const user1 = {age: 1}
const user2 = {age: 2}
const user3 = {age: 3}

const nameList = [user1.name, user2.name, user3.name, ]

// function fn(){
//     num1 = 1
//     num2 = 2
// }
function fn(){
    const num1 = 1
    const num2 = 2
}
fn()






















